High Efficiency Viessmann Gas Boilers
Viessmann’s domestic product range has been built around a long established reputation for high quality commercial heating systems. Viessmann manufactures all of its own products and controls to ensure that the drive for quality remains throughout the entire range and that there are additional benefits from combining its heating technologies.
Wall Hung High Efficiency Gas Boiler
Suitable for both new build and replacement applications on sealed systems, the Vitodens 100-W Combination, Compact and System boilers combine great performance with easy installation and maintenance.
- Rated outputs: 26 kW, 30 kW and 35 kW
- 10 year warranty on the Inox-Radial stainless steel heat exchanger
- SEDBUK rated
- Modulating MatriX pre-mix cylinder burner
- Integral AquaBloc hydraulic unit for easy service & maintenance
- Pre-heat function on Combination models
- Extremely quiet operation
Dimensions: Depth – 350mm Width – 400mm Height – 700mm
Wall Hung High Efficiency Gas Boiler
A feature of this model is the specifically developed automatic combustion controller Lambda Pro Control, it ensures a standard efficiency of up to 98% (Hs) / 109% (Hi) and consistent high energy efficiency.
- Modulation range of 1:6
- Exceeds SEDBUK minimum efficiency requirements
- Self-cleaning smooth stainless steel Inox-Radial heat exchanger with 10 year warranty
- High corrosion resistance through high grade stainless steel 1.4571
- Unique MatriX cylinder burner with long service life through stainless steel MatriX mesh
- Optimum matching of heat exchanger and burner
- Lambda Pro combustion controller automatically adjusts combustion for fluctuations in gas quality, which extends the life of the boiler and service intervals
- No nozzle change required when changing for LPG
- Consistently high efficiency even with fluctuating gas compositions
- Constantly clean combustion
- Low combustion noise through low fan speed
Dimensions: Depth – 360mm Width – 450mm Height – 850mm
High-Efficiency Viessmann Oil Boilers
Wall Hung High Efficiency Oil Boiler
The Vitoladens 300-W is a highly efficient oil fired condensing boiler for low-cost price, with very compact dimensions. Thanks to its integral silencer it is even possible for it to operate quietly inside the living space. The burner operates in balance or open flue mode, thus allowing flexible siting of the oil condensing boiler. Available currently in 22kW and is designed for use with all commercially available low sulphur fuel oil.
- Highly efficient conversion of the fuel to 98 % in heat.
- High energy utilization despite minimal boiler dimensions.
- Compact blue flame burner for open and balanced flue operation.
- Quiet operation through integral silencer.
- High efficiency circulation pump using 70% less power.
- A-rated appliance.
Dimensions: Depth – 360mm Width – 480mm Height – 850mm
Floor Standing High Efficiency Oil Boiler
The Vitorondens are floorstanding oil condensing boilers with an attractive price to performance ratio. Also with compact dimensions. It is based on the Vitorond 100 cast iron boiler, proven over many years. The Vitoflame 300 Unit blue burner is designed for use with all commercially available low sulphur fuel oil.
- Vitotronic control unit
- Wide water galleries and large water capacity
- Biferral cast iron and steel composite heating surface
- Vitoflame 300 Unit blue flame oil burner
- Highly effective thermal insulation
- Inox-Radial heat exchanger
- Integral silencer
(20.2 to 24.6kW) Depth – 940mm Width – 500mm Height – 1226mm
(28.9 to 35.4kW) Depth – 940mm Width – 500mm Height – 1362mm
(202 to 24.6kW) Depth – 940mm Width – 500mm Height – 1662mm